Exercise device



FIG. 1 is a top perspective view of a exercise device showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a cross section view taken along line 9-9 of FIG. 6.

The broken line showing of holes form no part of the claim. 

CLAIM The ornamental design for a exercise device, as shown and described. 